JEE Mains Chemistry Past PapershardNUMERICAL

For a dimerization reaction, 2 A(g) A2(g), at 298 K, U– = –20kJ mol–1, S– = –30 JK–1 mol–1, then theJEE Mains Chemistry Past Papers Chemistry Question

Question

For a dimerization reaction, 2 A(g) A2(g), at 298 K, U– = –20kJ mol–1, S– = –30 JK–1 mol–1, then the G– will be …..J.

Answer: .

💡 Solution & Explanation

From H = U + ngRT H = – 20 × 1000 –1 × 8.314 J/mol.K × 298 K = – 22477.572 J G = H – TS = – 13537.572 J = – 13538 J

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